68687434 has 8 divisors (see below), whose sum is σ = 103648608. Its totient is φ = 34137900.

The previous prime is 68687393. The next prime is 68687467. The reversal of 68687434 is 43478686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102492 + ... + 103159.

It is an arithmetic number, because the mean of its divisors is an integer number (12956076).

Almost surely, 2^68687434 is an apocalyptic number.

68687434 is a deficient number, since it is larger than the sum of its proper divisors (34961174).

68687434 is a wasteful number, since it uses less digits than its factorization.

68687434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205820.

The product of its digits is 774144, while the sum is 46.

The square root of 68687434 is about 8287.7882453644. The cubic root of 68687434 is about 409.5363269058.

The spelling of 68687434 in words is "sixty-eight million, six hundred eighty-seven thousand, four hundred thirty-four".